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93c47137 HR |
1 | /* |
2 | * viking -- GPS Data and Topo Analyzer, Explorer, and Manager | |
3 | * | |
4 | * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | * Created by Quy Tonthat <qtonthat@gmail.com> | |
21 | */ | |
22 | #ifdef HAVE_CONFIG_H | |
23 | #include "config.h" | |
24 | #endif | |
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
27 | #include <string.h> | |
28 | #include <glib.h> | |
29 | #include <glib/gstdio.h> | |
30 | #include <glib/gprintf.h> | |
31 | #include <glib/gi18n.h> | |
32 | ||
33 | #include "viking.h" | |
ba4a5e11 | 34 | #include "util.h" |
93c47137 HR |
35 | #include "curl_download.h" |
36 | ||
165a4fa9 | 37 | #define GEONAMES_WIKIPEDIA_URL_FMT "http://ws.geonames.org/wikipediaBoundingBoxJSON?formatted=true&north=%f&south=%f&east=%f&west=%f" |
93c47137 | 38 | #define GEONAMES_SEARCH_URL_FMT "http://ws.geonames.org/searchJSON?formatted=true&style=medium&maxRows=10&lang=en&q=%s" |
09a77f0d HR |
39 | #define GEONAMES_COUNTRY_PATTERN "\"countryName\": \"" |
40 | #define GEONAMES_LONGITUDE_PATTERN "\"lng\": " | |
41 | #define GEONAMES_NAME_PATTERN "\"name\": \"" | |
42 | #define GEONAMES_LATITUDE_PATTERN "\"lat\": " | |
165a4fa9 HR |
43 | #define GEONAMES_TITLE_PATTERN "\"title\": \"" |
44 | #define GEONAMES_WIKIPEDIAURL_PATTERN "\"wikipediaUrl\": \"" | |
45 | #define GEONAMES_THUMBNAILIMG_PATTERN "\"thumbnailImg\": \"" | |
93c47137 HR |
46 | #define GEONAMES_SEARCH_NOT_FOUND "not understand the location" |
47 | ||
48 | static gchar *last_search_str = NULL; | |
49 | static VikCoord *last_coord = NULL; | |
50 | static gchar *last_successful_search_str = NULL; | |
51 | ||
165a4fa9 HR |
52 | /* found_geoname: Type to contain data returned from GeoNames.org */ |
53 | ||
09a77f0d HR |
54 | typedef struct { |
55 | gchar *name; | |
56 | gchar *country; | |
57 | struct LatLon ll; | |
165a4fa9 | 58 | gchar *desc; |
09a77f0d HR |
59 | } found_geoname; |
60 | ||
165a4fa9 HR |
61 | found_geoname *new_found_geoname() |
62 | { | |
63 | found_geoname *ret; | |
64 | ||
65 | ret = (found_geoname *)g_malloc(sizeof(found_geoname)); | |
66 | ret->name = NULL; | |
67 | ret->country = NULL; | |
68 | ret->desc = NULL; | |
69 | ret->ll.lat = 0.0; | |
70 | ret->ll.lon = 0.0; | |
71 | return(ret); | |
72 | } | |
73 | ||
09a77f0d HR |
74 | found_geoname *copy_found_geoname(found_geoname *src) |
75 | { | |
165a4fa9 | 76 | found_geoname *dest = new_found_geoname(); |
09a77f0d HR |
77 | dest->name = g_strdup(src->name); |
78 | dest->country = g_strdup(src->country); | |
79 | dest->ll.lat = src->ll.lat; | |
80 | dest->ll.lon = src->ll.lon; | |
165a4fa9 | 81 | dest->desc = g_strdup(src->desc); |
09a77f0d HR |
82 | return(dest); |
83 | } | |
84 | ||
165a4fa9 HR |
85 | static void free_list_geonames(found_geoname *geoname, gpointer userdata) |
86 | { | |
87 | g_free(geoname->name); | |
88 | g_free(geoname->country); | |
89 | g_free(geoname->desc); | |
90 | } | |
91 | ||
92 | void free_geoname_list(GList *found_places) | |
93 | { | |
94 | g_list_foreach(found_places, (GFunc)free_list_geonames, NULL); | |
95 | g_list_free(found_places); | |
96 | } | |
97 | ||
93c47137 HR |
98 | gchar * a_geonamessearch_get_search_string_for_this_place(VikWindow *vw) |
99 | { | |
100 | if (!last_coord) | |
101 | return NULL; | |
102 | ||
103 | VikViewport *vvp = vik_window_viewport(vw); | |
104 | const VikCoord *cur_center = vik_viewport_get_center(vvp); | |
105 | if (vik_coord_equals(cur_center, last_coord)) { | |
106 | return(last_successful_search_str); | |
107 | } | |
108 | else | |
109 | return NULL; | |
110 | } | |
111 | ||
165a4fa9 HR |
112 | static void none_found(VikWindow *vw) |
113 | { | |
114 | GtkWidget *dialog = NULL; | |
115 | ||
116 | dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL ); | |
117 | gtk_window_set_title(GTK_WINDOW(dialog), _("Search")); | |
118 | ||
119 | GtkWidget *search_label = gtk_label_new(_("No entries found!")); | |
120 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); | |
121 | gtk_widget_show_all(dialog); | |
122 | ||
123 | gtk_dialog_run ( GTK_DIALOG(dialog) ); | |
124 | gtk_widget_destroy(dialog); | |
125 | } | |
126 | ||
93c47137 HR |
127 | static gboolean prompt_try_again(VikWindow *vw) |
128 | { | |
129 | GtkWidget *dialog = NULL; | |
130 | gboolean ret = TRUE; | |
131 | ||
132 | dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); | |
133 | gtk_window_set_title(GTK_WINDOW(dialog), _("Search")); | |
134 | ||
135 | GtkWidget *search_label = gtk_label_new(_("I don't know that place. Do you want another search?")); | |
136 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); | |
137 | gtk_widget_show_all(dialog); | |
138 | ||
139 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) | |
140 | ret = FALSE; | |
141 | ||
142 | gtk_widget_destroy(dialog); | |
143 | return ret; | |
144 | } | |
145 | ||
146 | static gchar * a_prompt_for_search_string(VikWindow *vw) | |
147 | { | |
148 | GtkWidget *dialog = NULL; | |
149 | ||
150 | dialog = gtk_dialog_new_with_buttons ( "", GTK_WINDOW(vw), 0, GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL ); | |
151 | gtk_window_set_title(GTK_WINDOW(dialog), _("Search")); | |
152 | ||
153 | GtkWidget *search_label = gtk_label_new(_("Enter address or place name:")); | |
154 | GtkWidget *search_entry = gtk_entry_new(); | |
155 | if (last_search_str) | |
156 | gtk_entry_set_text(GTK_ENTRY(search_entry), last_search_str); | |
157 | ||
158 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_label, FALSE, FALSE, 5 ); | |
159 | gtk_box_pack_start ( GTK_BOX(GTK_DIALOG(dialog)->vbox), search_entry, FALSE, FALSE, 5 ); | |
160 | gtk_widget_show_all(dialog); | |
161 | ||
162 | if ( gtk_dialog_run ( GTK_DIALOG(dialog) ) != GTK_RESPONSE_ACCEPT ) { | |
163 | gtk_widget_destroy(dialog); | |
164 | return NULL; | |
165 | } | |
166 | ||
167 | gchar *search_str = g_strdup ( gtk_entry_get_text ( GTK_ENTRY(search_entry) ) ); | |
168 | ||
169 | gtk_widget_destroy(dialog); | |
170 | ||
171 | if (search_str[0] != '\0') { | |
172 | if (last_search_str) | |
173 | g_free(last_search_str); | |
174 | last_search_str = g_strdup(search_str); | |
175 | } | |
176 | ||
177 | return(search_str); /* search_str needs to be freed by caller */ | |
178 | } | |
179 | ||
09a77f0d HR |
180 | |
181 | void buttonToggled(GtkCellRendererToggle* renderer, gchar* pathStr, gpointer data) | |
182 | { | |
183 | GtkTreeIter iter; | |
184 | gboolean enabled; | |
185 | GtkTreePath* path = gtk_tree_path_new_from_string(pathStr); | |
186 | gtk_tree_model_get_iter(GTK_TREE_MODEL (data), &iter, path); | |
187 | gtk_tree_model_get(GTK_TREE_MODEL (data), &iter, 0, &enabled, -1); | |
188 | enabled = !enabled; | |
189 | gtk_tree_store_set(GTK_TREE_STORE (data), &iter, 0, enabled, -1); | |
190 | } | |
191 | ||
192 | GList *a_select_geoname_from_list(GtkWindow *parent, GList *geonames, gboolean multiple_selection_allowed, const gchar *title, const gchar *msg) | |
193 | { | |
194 | GtkTreeIter iter; | |
195 | GtkCellRenderer *renderer; | |
196 | GtkCellRenderer *toggle_render; | |
197 | GtkWidget *view; | |
198 | found_geoname *geoname; | |
199 | gchar *latlon_string; | |
200 | int column_runner; | |
165a4fa9 HR |
201 | gboolean checked; |
202 | gboolean to_copy; | |
09a77f0d HR |
203 | |
204 | GtkWidget *dialog = gtk_dialog_new_with_buttons (title, | |
205 | parent, | |
206 | GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT, | |
207 | GTK_STOCK_CANCEL, | |
208 | GTK_RESPONSE_REJECT, | |
209 | GTK_STOCK_OK, | |
210 | GTK_RESPONSE_ACCEPT, | |
211 | NULL); | |
212 | GtkWidget *label = gtk_label_new ( msg ); | |
213 | GtkTreeStore *store; | |
214 | if (multiple_selection_allowed) | |
215 | { | |
216 | store = gtk_tree_store_new(4, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING); | |
217 | } | |
218 | else | |
219 | { | |
220 | store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING); | |
221 | } | |
222 | GList *geoname_runner = geonames; | |
223 | while (geoname_runner) | |
224 | { | |
225 | geoname = (found_geoname *)geoname_runner->data; | |
226 | latlon_string = g_strdup_printf("(%f,%f)", geoname->ll.lat, geoname->ll.lon); | |
227 | gtk_tree_store_append(store, &iter, NULL); | |
228 | if (multiple_selection_allowed) | |
229 | { | |
230 | gtk_tree_store_set(store, &iter, 0, FALSE, 1, geoname->name, 2, geoname->country, 3, latlon_string, -1); | |
231 | } | |
232 | else | |
233 | { | |
234 | gtk_tree_store_set(store, &iter, 0, geoname->name, 1, geoname->country, 2, latlon_string, -1); | |
235 | } | |
236 | geoname_runner = g_list_next(geoname_runner); | |
237 | g_free(latlon_string); | |
238 | } | |
239 | view = gtk_tree_view_new(); | |
240 | renderer = gtk_cell_renderer_text_new(); | |
241 | column_runner = 0; | |
242 | if (multiple_selection_allowed) | |
243 | { | |
244 | toggle_render = gtk_cell_renderer_toggle_new(); | |
245 | g_object_set(toggle_render, "activatable", TRUE, NULL); | |
246 | g_signal_connect(toggle_render, "toggled", (GCallback) buttonToggled, GTK_TREE_MODEL(store)); | |
247 | gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Select", toggle_render, "active", column_runner, NULL); | |
248 | column_runner++; | |
249 | } | |
250 | gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Name", renderer, "text", column_runner, NULL); | |
251 | column_runner++; | |
252 | gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Country", renderer, "text", column_runner, NULL); | |
253 | column_runner++; | |
254 | gtk_tree_view_insert_column_with_attributes( GTK_TREE_VIEW(view), -1, "Lat/Lon", renderer, "text", column_runner, NULL); | |
255 | gtk_tree_view_set_headers_visible( GTK_TREE_VIEW(view), TRUE); | |
256 | gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); | |
257 | gtk_tree_selection_set_mode( gtk_tree_view_get_selection(GTK_TREE_VIEW(view)), | |
258 | multiple_selection_allowed ? GTK_SELECTION_MULTIPLE : GTK_SELECTION_BROWSE ); | |
259 | g_object_unref(store); | |
260 | ||
261 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE, FALSE, 0); | |
262 | gtk_widget_show ( label ); | |
263 | gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), view, FALSE, FALSE, 0); | |
264 | gtk_widget_show ( view ); | |
265 | while ( gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT ) | |
266 | { | |
267 | GtkTreeSelection *selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(view)); | |
268 | GList *selected_geonames = NULL; | |
269 | ||
270 | gtk_tree_model_get_iter_first( GTK_TREE_MODEL(store), &iter); | |
271 | geoname_runner = geonames; | |
272 | while (geoname_runner) | |
273 | { | |
165a4fa9 | 274 | to_copy = FALSE; |
09a77f0d HR |
275 | if (multiple_selection_allowed) |
276 | { | |
165a4fa9 HR |
277 | gtk_tree_model_get(GTK_TREE_MODEL(store), &iter, 0, &checked, -1); |
278 | if (checked) { | |
279 | to_copy = TRUE; | |
280 | } | |
09a77f0d HR |
281 | } |
282 | else | |
283 | { | |
284 | if (gtk_tree_selection_iter_is_selected(selection, &iter)) | |
285 | { | |
165a4fa9 | 286 | to_copy = TRUE; |
09a77f0d HR |
287 | } |
288 | } | |
165a4fa9 HR |
289 | if (to_copy) { |
290 | found_geoname *copied = copy_found_geoname(geoname_runner->data); | |
291 | selected_geonames = g_list_prepend(selected_geonames, copied); | |
292 | } | |
09a77f0d HR |
293 | geoname_runner = g_list_next(geoname_runner); |
294 | gtk_tree_model_iter_next(GTK_TREE_MODEL(store), &iter); | |
295 | } | |
296 | if (selected_geonames) | |
297 | { | |
298 | gtk_widget_destroy ( dialog ); | |
299 | return (selected_geonames); | |
300 | } | |
301 | a_dialog_error_msg(parent, _("Nothing was selected")); | |
302 | } | |
303 | gtk_widget_destroy ( dialog ); | |
304 | return NULL; | |
305 | } | |
306 | ||
165a4fa9 | 307 | GList *get_entries_from_file(gchar *file_name) |
93c47137 HR |
308 | { |
309 | gchar *text, *pat; | |
310 | GMappedFile *mf; | |
311 | gsize len; | |
09a77f0d | 312 | gboolean more = TRUE; |
93c47137 HR |
313 | gchar lat_buf[32], lon_buf[32]; |
314 | gchar *s; | |
09a77f0d HR |
315 | gint fragment_len; |
316 | GList *found_places = NULL; | |
317 | found_geoname *geoname = NULL; | |
318 | gchar **found_entries; | |
319 | gchar *entry; | |
320 | int entry_runner; | |
165a4fa9 HR |
321 | gchar *wikipedia_url = NULL; |
322 | gchar *thumbnail_url = NULL; | |
93c47137 HR |
323 | |
324 | lat_buf[0] = lon_buf[0] = '\0'; | |
325 | ||
326 | if ((mf = g_mapped_file_new(file_name, FALSE, NULL)) == NULL) { | |
327 | g_critical(_("couldn't map temp file")); | |
328 | exit(1); | |
329 | } | |
330 | len = g_mapped_file_get_length(mf); | |
331 | text = g_mapped_file_get_contents(mf); | |
332 | ||
333 | if (g_strstr_len(text, len, GEONAMES_SEARCH_NOT_FOUND) != NULL) { | |
09a77f0d | 334 | more = FALSE; |
93c47137 | 335 | } |
09a77f0d HR |
336 | found_entries = g_strsplit(text, "},", 0); |
337 | entry_runner = 0; | |
338 | entry = found_entries[entry_runner]; | |
339 | while (entry) | |
340 | { | |
341 | more = TRUE; | |
165a4fa9 HR |
342 | geoname = new_found_geoname(); |
343 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_COUNTRY_PATTERN))) { | |
09a77f0d HR |
344 | pat += strlen(GEONAMES_COUNTRY_PATTERN); |
345 | fragment_len = 0; | |
346 | s = pat; | |
347 | while (*pat != '"') { | |
348 | fragment_len++; | |
349 | pat++; | |
350 | } | |
351 | geoname -> country = g_strndup(s, fragment_len); | |
352 | } | |
353 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LONGITUDE_PATTERN)) == NULL) { | |
354 | more = FALSE; | |
355 | } | |
356 | else { | |
357 | pat += strlen(GEONAMES_LONGITUDE_PATTERN); | |
358 | s = lon_buf; | |
359 | if (*pat == '-') | |
360 | *s++ = *pat++; | |
361 | while ((s < (lon_buf + sizeof(lon_buf))) && (pat < (text + len)) && | |
362 | (g_ascii_isdigit(*pat) || (*pat == '.'))) | |
363 | *s++ = *pat++; | |
364 | *s = '\0'; | |
365 | if ((pat >= (text + len)) || (lon_buf[0] == '\0')) { | |
366 | more = FALSE; | |
367 | } | |
368 | geoname->ll.lon = g_ascii_strtod(lon_buf, NULL); | |
369 | } | |
165a4fa9 | 370 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_NAME_PATTERN))) { |
09a77f0d HR |
371 | pat += strlen(GEONAMES_NAME_PATTERN); |
372 | fragment_len = 0; | |
373 | s = pat; | |
374 | while (*pat != '"') { | |
375 | fragment_len++; | |
376 | pat++; | |
377 | } | |
378 | geoname -> name = g_strndup(s, fragment_len); | |
379 | } | |
165a4fa9 HR |
380 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_TITLE_PATTERN))) { |
381 | pat += strlen(GEONAMES_TITLE_PATTERN); | |
382 | fragment_len = 0; | |
383 | s = pat; | |
384 | while (*pat != '"') { | |
385 | fragment_len++; | |
386 | pat++; | |
387 | } | |
388 | geoname -> name = g_strndup(s, fragment_len); | |
389 | } | |
390 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_WIKIPEDIAURL_PATTERN))) { | |
391 | pat += strlen(GEONAMES_WIKIPEDIAURL_PATTERN); | |
392 | fragment_len = 0; | |
393 | s = pat; | |
394 | while (*pat != '"') { | |
395 | fragment_len++; | |
396 | pat++; | |
397 | } | |
398 | wikipedia_url = g_strndup(s, fragment_len); | |
399 | } | |
400 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_THUMBNAILIMG_PATTERN))) { | |
401 | pat += strlen(GEONAMES_THUMBNAILIMG_PATTERN); | |
402 | fragment_len = 0; | |
403 | s = pat; | |
404 | while (*pat != '"') { | |
405 | fragment_len++; | |
406 | pat++; | |
407 | } | |
408 | thumbnail_url = g_strndup(s, fragment_len); | |
409 | } | |
09a77f0d HR |
410 | if ((pat = g_strstr_len(entry, strlen(entry), GEONAMES_LATITUDE_PATTERN)) == NULL) { |
411 | more = FALSE; | |
412 | } | |
413 | else { | |
414 | pat += strlen(GEONAMES_LATITUDE_PATTERN); | |
415 | s = lat_buf; | |
416 | if (*pat == '-') | |
417 | *s++ = *pat++; | |
418 | while ((s < (lat_buf + sizeof(lat_buf))) && (pat < (text + len)) && | |
419 | (g_ascii_isdigit(*pat) || (*pat == '.'))) | |
420 | *s++ = *pat++; | |
421 | *s = '\0'; | |
422 | if ((pat >= (text + len)) || (lat_buf[0] == '\0')) { | |
423 | more = FALSE; | |
424 | } | |
425 | geoname->ll.lat = g_ascii_strtod(lat_buf, NULL); | |
426 | } | |
427 | if (!more) { | |
428 | if (geoname) { | |
429 | g_free(geoname); | |
430 | } | |
431 | } | |
432 | else { | |
165a4fa9 HR |
433 | if (wikipedia_url) { |
434 | if (thumbnail_url) { | |
435 | geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\"><img src=\"%s\" border=\"0\"/></a>", wikipedia_url, thumbnail_url); | |
436 | } | |
437 | else { | |
438 | geoname -> desc = g_strdup_printf("<a href=\"http://%s\" target=\"_blank\">%s</a>", wikipedia_url, geoname->name); | |
439 | } | |
440 | } | |
441 | if (wikipedia_url) { | |
442 | g_free(wikipedia_url); | |
443 | wikipedia_url = NULL; | |
444 | } | |
445 | if (thumbnail_url) { | |
446 | g_free(thumbnail_url); | |
447 | thumbnail_url = NULL; | |
448 | } | |
09a77f0d HR |
449 | found_places = g_list_prepend(found_places, geoname); |
450 | } | |
451 | entry_runner++; | |
452 | entry = found_entries[entry_runner]; | |
93c47137 | 453 | } |
09a77f0d | 454 | g_strfreev(found_entries); |
165a4fa9 HR |
455 | found_places = g_list_reverse(found_places); |
456 | g_mapped_file_free(mf); | |
457 | return(found_places); | |
458 | } | |
459 | ||
460 | ||
461 | static int parse_file_for_latlon(VikWindow *vw, gchar *file_name, struct LatLon *ll) | |
462 | { | |
463 | /* return codes: | |
464 | 1 : All OK, position selected; | |
465 | 2 : No position selected; | |
466 | 3 : No places found. */ | |
467 | int found = 1; | |
468 | found_geoname *geoname; | |
469 | GList *found_places = get_entries_from_file(file_name); | |
470 | int num_found_places; | |
471 | ||
472 | num_found_places = g_list_length(found_places); | |
473 | if (num_found_places == 0) { | |
474 | found = 3; | |
93c47137 | 475 | } |
165a4fa9 HR |
476 | else { |
477 | if (num_found_places == 1) { | |
478 | geoname = (found_geoname *)found_places->data; | |
09a77f0d HR |
479 | ll->lat = geoname->ll.lat; |
480 | ll->lon = geoname->ll.lon; | |
09a77f0d HR |
481 | } |
482 | else | |
483 | { | |
165a4fa9 HR |
484 | GList *selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), found_places, FALSE, "Select place", "Select the place to go to"); |
485 | if (selected) | |
486 | { | |
487 | geoname = (found_geoname *)selected->data; | |
488 | ll->lat = geoname->ll.lat; | |
489 | ll->lon = geoname->ll.lon; | |
490 | g_list_foreach(selected, (GFunc)free_list_geonames, NULL); | |
491 | } | |
492 | else | |
493 | { | |
494 | found = 2; | |
495 | } | |
09a77f0d | 496 | } |
93c47137 | 497 | } |
165a4fa9 | 498 | free_geoname_list(found_places); |
93c47137 | 499 | return (found); |
93c47137 HR |
500 | } |
501 | ||
165a4fa9 | 502 | gchar *download_url(gchar *uri) |
93c47137 HR |
503 | { |
504 | FILE *tmp_file; | |
505 | int tmp_fd; | |
506 | gchar *tmpname; | |
93c47137 HR |
507 | |
508 | if ((tmp_fd = g_file_open_tmp ("vikgsearch.XXXXXX", &tmpname, NULL)) == -1) { | |
509 | g_critical(_("couldn't open temp file")); | |
510 | exit(1); | |
511 | } | |
93c47137 | 512 | tmp_file = fdopen(tmp_fd, "r+"); |
93c47137 | 513 | |
09a77f0d HR |
514 | // TODO: curl may not be available |
515 | if (curl_download_uri(uri, tmp_file, NULL)) { // error | |
93c47137 HR |
516 | fclose(tmp_file); |
517 | tmp_file = NULL; | |
165a4fa9 HR |
518 | g_remove(tmpname); |
519 | g_free(tmpname); | |
520 | return(NULL); | |
93c47137 | 521 | } |
93c47137 HR |
522 | fclose(tmp_file); |
523 | tmp_file = NULL; | |
165a4fa9 HR |
524 | return(tmpname); |
525 | } | |
526 | ||
527 | static int geonames_search_get_coord(VikWindow *vw, VikViewport *vvp, gchar *srch_str, VikCoord *coord) | |
528 | { | |
529 | gchar *uri; | |
530 | gchar *escaped_srch_str; | |
531 | int ret = 1; /* OK */ | |
532 | struct LatLon ll; | |
533 | gchar *tmpname; | |
534 | ||
535 | g_debug("%s: raw search: %s", __FUNCTION__, srch_str); | |
536 | escaped_srch_str = uri_escape(srch_str); | |
537 | g_debug("%s: escaped search: %s", __FUNCTION__, escaped_srch_str); | |
538 | ||
539 | //uri = g_strdup_printf(GEONAMES_SEARCH_URL_FMT, srch_str); | |
540 | uri = g_strdup_printf(GEONAMES_SEARCH_URL_FMT, escaped_srch_str); | |
541 | ||
542 | tmpname = download_url(uri); | |
543 | if (!tmpname) { | |
93c47137 HR |
544 | ret = -1; |
545 | goto done; | |
546 | } | |
165a4fa9 HR |
547 | ret = parse_file_for_latlon(vw, tmpname, &ll); |
548 | if (ret == 3) { | |
549 | goto done; | |
550 | } | |
93c47137 HR |
551 | |
552 | vik_coord_load_from_latlon ( coord, vik_viewport_get_coord_mode(vvp), &ll ); | |
553 | ||
554 | if (last_coord) | |
555 | g_free(last_coord); | |
556 | last_coord = g_malloc(sizeof(VikCoord)); | |
557 | *last_coord = *coord; | |
558 | if (last_successful_search_str) | |
559 | g_free(last_successful_search_str); | |
560 | last_successful_search_str = g_strdup(last_search_str); | |
561 | ||
562 | done: | |
563 | g_free(escaped_srch_str); | |
564 | g_free(uri); | |
165a4fa9 HR |
565 | if (tmpname) { |
566 | g_remove(tmpname); | |
567 | g_free(tmpname); | |
568 | } | |
93c47137 HR |
569 | return ret; |
570 | } | |
571 | ||
572 | void a_geonames_search(VikWindow *vw, VikLayersPanel *vlp, VikViewport *vvp) | |
573 | { | |
574 | VikCoord new_center; | |
575 | gchar *s_str; | |
576 | gboolean more = TRUE; | |
165a4fa9 | 577 | int ret; |
93c47137 HR |
578 | |
579 | do { | |
580 | s_str = a_prompt_for_search_string(vw); | |
581 | if ((!s_str) || (s_str[0] == 0)) { | |
582 | more = FALSE; | |
583 | } | |
165a4fa9 HR |
584 | else { |
585 | ret = geonames_search_get_coord(vw, vvp, s_str, &new_center); | |
586 | if (ret == 1) { | |
587 | vik_viewport_set_center_coord(vvp, &new_center); | |
588 | vik_layers_panel_emit_update(vlp); | |
93c47137 | 589 | more = FALSE; |
165a4fa9 HR |
590 | } |
591 | else { | |
592 | if (ret == 3) { | |
593 | if (!prompt_try_again(vw)) { | |
594 | more = FALSE; | |
595 | } | |
596 | } | |
597 | } | |
598 | } | |
599 | if (s_str) { | |
600 | g_free(s_str); | |
601 | } | |
93c47137 HR |
602 | } while (more); |
603 | } | |
604 | ||
165a4fa9 HR |
605 | void a_geonames_wikipedia_box(VikWindow *vw, VikTrwLayer *vtl, VikLayersPanel *vlp, struct LatLon maxmin[2]) |
606 | { | |
607 | gchar *uri; | |
608 | gchar *tmpname; | |
609 | GList *wiki_places; | |
610 | GList *selected; | |
611 | GList *wp_runner; | |
612 | VikWaypoint *wiki_wp; | |
613 | found_geoname *wiki_geoname; | |
614 | ||
615 | uri = g_strdup_printf(GEONAMES_WIKIPEDIA_URL_FMT, maxmin[0].lat, maxmin[1].lat, maxmin[0].lon, maxmin[1].lon); | |
616 | tmpname = download_url(uri); | |
617 | if (!tmpname) { | |
618 | none_found(vw); | |
619 | return; | |
620 | } | |
621 | wiki_places = get_entries_from_file(tmpname); | |
622 | if (g_list_length(wiki_places) == 0) { | |
623 | none_found(vw); | |
624 | return; | |
625 | } | |
626 | selected = a_select_geoname_from_list(VIK_GTK_WINDOW_FROM_WIDGET(vw), wiki_places, TRUE, "Select articles", "Select the articles you want to add."); | |
627 | wp_runner = selected; | |
628 | while (wp_runner) { | |
629 | wiki_geoname = (found_geoname *)wp_runner->data; | |
630 | wiki_wp = vik_waypoint_new(); | |
631 | wiki_wp->altitude = VIK_DEFAULT_ALTITUDE; | |
632 | wiki_wp->visible = TRUE; | |
633 | vik_coord_load_from_latlon(&(wiki_wp->coord), vik_trw_layer_get_coord_mode ( vtl ), &(wiki_geoname->ll)); | |
634 | vik_waypoint_set_comment(wiki_wp, wiki_geoname->desc); | |
635 | vik_trw_layer_filein_add_waypoint ( vtl, wiki_geoname->name, wiki_wp ); | |
636 | wp_runner = g_list_next(wp_runner); | |
637 | } | |
638 | free_geoname_list(wiki_places); | |
639 | free_geoname_list(selected); | |
640 | g_free(uri); | |
641 | if (tmpname) { | |
642 | g_free(tmpname); | |
643 | } | |
644 | vik_layers_panel_emit_update(vlp); | |
645 | } |